Simultaneously enhanced optical, electrical, and mechanical properties of highly stretchable transparent silver nanowire electrodes using organic surface modifier

Siti Aisyah Nurmaulia Entifar; Joo Won Han; Dong Jin Lee; Zeno Rizqi Ramadhan; Juhee Hong; Moon Hee Kang; Soyeon Kim; Dongchan Lim; Changhun Yun; Yong Hyun Kim

doi:10.1080/14686996.2019.1568750

Simultaneously enhanced optical, electrical, and mechanical properties of highly stretchable transparent silver nanowire electrodes using organic surface modifier

Sci Technol Adv Mater. 2019 Feb 18;20(1):116-123. doi: 10.1080/14686996.2019.1568750. eCollection 2019.

Authors

Affiliations

¹ Department of Display Engineering, Pukyong National University, Busan, Republic of Korea.
² Department of Electrical Energy Engineering, Keimyung University, Daegu, Republic of Korea.
³ Surface Technology Division, Korea Institute of Materials Science (KIMS), Changwon, Republic of Korea.
⁴ Center for Nano-Photonics Convergence Technology, Korea Institute of Industrial Technology (KITECH), Gwangju, Republic of Korea.

Abstract

We report on a new surface modifier which simultaneously improves electrical, optical, and mechanical properties of silver nanowire-based stretchable transparent electrodes. The transparent electrodes treated with 11-aminoundecanoic acid achieve a low sheet resistance of 26.0 ohm/sq and a high transmittance of 90% with an excellent stretchability. These improvements are attributed to the effective formation of a strong chemical bond between silver nanowire networks and elastomeric substrates by 11-aminoundecanoic acid treatment. The resistance change of the optimized silver nanowire/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin-films is only about 10% when the film is stretched by 120%. In addition, the chemical stability of stretchable silver nanowire films is significantly improved by the introduction of conductive PEDOT:PSS overcoat film. The optimized electrodes are utilized as high-performance stretchable transparent heaters, successfully illustrating its feasibility for future wearable electronics.

Keywords: 102 Porous / Nanoporous / Nanostructured materials; 204 Optics / Optical applications; 212 Surface and interfaces; 40 Optical, magnetic and electronic device materials; PEDOT:PSS; Stretchable electronics; silver nanowires; transparent electrodes; transparent heaters.

Grants and funding

This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning [2016R1C1B2012490]. This work was supported partially by the Korea Institute of Industrial Technology, as 'Development of the flexible luminescence-battery sheet based on high oxygen/moisture barrier films for the luminescent smart packaging [KITECH JA-18-0040]'.